Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.1
Points
14.0
Fiction/Nonfiction
Fiction
Word Count
82810
Points per Word
0.000169
Description
Fourteen-year-old Marcus joins an expedition across the cloudscape in search of his father. But he discovers that somebody wants him dead, and when his airship is attacked Marcus is plunged into a terrifying new world beneath the clouds.